Import SocksSocketImpl from jdk8u222-b03

List of files:
  ojluni/src/main/java/java/net/SocksSocketImpl.java
  ojluni/src/test/java/net/Socks/SocksIPv6Test.java
  ojluni/src/test/java/net/Socks/SocksServer.java

Generated by tools/expected_upstream/ojluni_merge_to_main.py

Bug: 320990325
Test: N/A
No-Typo-Check: Imported files
Change-Id: I9292c3edd83d402aa1b334b69092f0b392f1538b
4 files changed
tree: 79c3b3087c4cac835f604d0a6ea2b676789fe813
  1. ojluni/
  2. tools/
  3. EXPECTED_UPSTREAM